Wudongde Arch Dam

China

As the world's seventh-largest hydropower project under construction the Dam of Wudongde hydropower
station is the world's thinnest double curvature arch dam among dams with height of approximately 300m.

Challenge:

complex geometry

small curvature radius of a parabolic shape

straight and twist block joint in different elevation

strong windy weather on site

low heat cement concrete application

high casting height of 4.5m

Solution:

Curved Top50 large area formwork to fit the structure shape with high precision